Pro， you tighten the screws when the disc is not very depressed it 

Because you use a wrench bad force， or intensity not 

Now do not be afraid of it 

With this T25 wrench 

Good enough force strength is very easy to use 

Good quality， very textured， with who knows 

Note that this is a disc piece screw installation wrench， a plum Oh， no disc installation wrench， disc brakes are installed with a hex wrench， oh! 

[Name] T25 disc spanner wrench 

[Specifications] Length 19cm handle 8cm wide and weighs about 40g